Hinged match-plate for flasks.



No. 898,158.. PATENTED SEPT. 8, 1908. L. W. VAN GLEAVB & G. 0.. DEWEY.HINGE D MATCH PLATE FOR FLASKS.

' APPLICATION FILED APR. 1a, 1908. Y

.m V2 nQ 00 F v 1 H Lee W Van Cleave 0 George Qp l NW5 I UNITED STATESPATENT orrron.

LEE W. VAN OLEAVE AND GEORGE O. DEWEY, OF ST. LOUIS, MISSOURI, ASSIGNORSTO THE BUOKS STOVE AND RANGE COMPANY, OF ST. LOUIS,

MISSOURI.

MISSOURI, A CORPORATION OF KING-ED MATCH-PLATE FOR FLASKS.

Patented Se t. a, 19.08.

Application filed April 18, 1908. Serial No. 427,898.

To all whom it may concern:

Be it known that we, LEE W. VAN CLEAVE and GEORGE O.'DEWEY, bothcitizens of the United States, residing at St. Louis, Missouri, haveinvented a certain new and useful Improvement in Hinged Match-Plates forFlasks, of which the following is a full, clear, and exact description,such as will enable others skilled in the art to which it appertains tomake and use the same, reference being had to the accompanying drawings,forming part of this specification, in which Figure 1 is a perspectiveview of a flask and a match-plate arranged between the cope and drag ofthe flask and provided with hinge members that cooperate with hingemembers on the cope and drag; Fig. 2 is an enlarged detail view showingone of the hinge members on the match-plate arranged between thecooperating hinge members on the cope and drag of the flask; Fig. 3 is aview similar to Fig. 2 showingthe match-plate removed; and Fig. 4 is adetail perspective view of the cooperating hinge members on the cope,match-plate and drag.

This invention relates to match plates and flasks such as are used inmetal founding.

As is well-known, a match-plate consists of a plate or member providedon its opposite sides with the two halvesof a-pattern. The match-plateis arranged between the cope and drag of the flask and after the flaskhas been rammed the cope is separated from the drag and the match-plateis t en removed,

.thus leavin the impression of one-half of the pattern in the drag andthe other half of the pattern in. the cope. The cope is then replaced onthe drag and the metal is poured into the hollow space which the patternon the match-plate has formed in the cope and drag.

plate had to be lifted bodily off the matcheplate necessarily had to becompara tively small so that the workman could handle it and raise itevenly. the match-plates that have heretofore been in general use couldnot be'used casting Consequently,

be small enough to enable the workman to handle it.

The main object of our invention is to provide a match-plate oi the typeabove referred to which is connected to one member large articlesbecause the match-plate had to of a flask in such a manner that aworkman can remove it by merely swinging it upwardly, thus permittinglarge match-plates to be used.

vide a hinge comprising two members that are adapted to be connected tothecope and drag of a flask and an intermediate member that is adaptedto be connected to a matchplate which is arranged between the cope anddrag, said cooperating so constructed that the cope can be swungupwardly and removed and the match-plate can thereafter be swungupwardly and lifted out of the hinge member on thedrag. After thematch-plate has been removed the hinge member on the cope is inserted inthe cooperating hinge member of the drag and 'thecope is then swungdownwardly into operative position.

Referring to the the preferred form of designate,respectively, the copeand dra of a flask, and C designates a matchlate-t at is rovided on itsopposite sides wit the two haIves of a pattern. The drag B is providedat its rear side with aplurality of hinge memprises a vertically disdrawings which illustrate bers each of which com posed web 1 andsemi-errcular-shaped flanges 2 that project laterally from the oppositesides of said web. The web 1 is provlded with a slot 3 that forms asocket or bearing for a portion of a cooperating on the cope, andtheside faces of said web are recessed or hollowed out to form bearings forconical-shaped portions on the hinge member of the cope.

The match-plate C edge with hinge members each of which corn.- prlsestwo semi-circular-shaped flanges 4 that rest upon the insidezfaces ofthe flanges 2 of the cooperating hinge member on the drag when the matchplate is in operative .,posi-.

tion, as shown in, Fig. 2. The flanges4 on the match-plate are spacedapart, as shown in Fig, 4, so as'to provide a slot into which the web 1of the hinge member on the drag- B projects, and said flanges areprovided at their outer edges with vertically disposed our mvention, Aand B is provided at its rear Another object of our invention is topro-' hinge members being 7 hinge member strengthening webs 5 thatcooperate with the flanges 4 to form a socket for receiving the hingemember on the cope. We prefer to provide the matchlate with integralhinge members but it wi l, of course, be understood that the hingemembers could be formed separate from the match-plate and connectedthereto by fastening devices without departing from the spirit of ourinvention.

The cope A of the flask is provided with hinge members each-of whichconsists of two approximately disk-shaped portions 6 arranged verticallyand provided on their inner faces with conical-shaped projections 7 thathave their apexes connected together, as shown in Fig. 4, so as toroduce a fulcrum pin. having .a contracte central portion which fits inthe slot formed in the web 1 of the hinge member on the drag.

Prior to the operation of ramming the flask, the match-plate is arrangedbetweenthe cope and drag, asshown in Fig. 2, the outer faces of thesemi-circular flanges 4. of the hinge members on the match-plateiresting upon the inner faces of the semi-circular flanges 2 of the hine members on the drag, and the disk-shape portions 6 of the hingemembers on the cope restin upon the inner faces of the semi-circularanges 4 of the hinge members on the match-plate. After the flask hasbeen rammed the co e A isv swung upwardly'away from the matc -.plate,the disk-shaped portions 6 turning or rocking on the inside faces of theflanges 4. The cope is then lifted bodily from the drag so as to thematc -plate swings upwardly its -withdraw the hinge members on the copet e from the ooperating hinge "members on match-p ate and the-matchplate is then swungu wardly away from the drag. As

4 turn or rock on the inside faces of the semicircular flan es 2 of thehinge members on the drag an thus cause the match-plate to move evenlyso that no skill is required on the plart of the workman to remove themate -plate. After the match-plate has been raised far enough towithdraw the pattern on the underneath side thereof from the sand, saidmatch-plate is. lifted bodily from the drag, the hinge members on thedrag being so constructed that the hinge members of the matchqblate passoutof enga ement with same when the match-plate is hfted or moved bodilyaway from it. The cope is then arran ed over the drag so that the 'ngem'em ers on the cope pro'ect into the hinge members on the drag an thecope is then swung downwardly into operative osition on the drag, asshown in Fig. 3. the cope swings downwardly into operative position thelower edges of the slots 3 inthe vertical webs 1 of the hinge members onsaid drag act as bearings for the contracted fulcrum pinon the hingemembers of the-cope,

which extends between the e the recesses in the side faces of said webs1 act as bearings for the conical-shapled portions 7 of the hingemembers on t e cope, and the inner faces of the flanges 2 on the .hingemembers of the drag act as bearings for the disk-shaped portions 6 ofthe hinge members on the cope so that the cope will be sure to bepositioned properly relatively to the drag. I

As shown in Fig; 2, the semi-circularshaped flan es 4 of the hingemembers on the match-p ate are of the same thickness as the portion 8 ofthe match-plate that lies between the meeting edges of thecope and dragso that when the match p'late is removed and the hinge members on .thecope 'rest upon the hinge members of the drag t faces of the cope anddrag'in which the impressions of the pattern are formed will con- V tactwith each other as shown in Fig. 3.

By mounting the matchplate in the manner above described we are able touse a large match-plate as the cooperating hinged members cause thematch-plate to move evenly when the workman swings it up wardly.

, Having thus described our invention, what we claim as new and desireto secure-by Letters Patent is: v

1. A flask comprising a cope and a drag, a hinge member on one of saidparts having a curved bearing'surface, a cooperating hinge member on theother part having an approximately cylindrical-shaped bearing sur ace, amatch-plate arranged etween the cope and drag, and hinge members on thematch-plate having semi-circular-shaped flanges that rest I freely uponthe curved bearing surface of the member first referred to" and whichare adaptedto form bearing surfaces for-thecylindrical-shaped bearingsurface of the second member referred to; substantially as described.

. 2. A flask comprising a cope and a drag, socket hinge memberson one ofsaid parts, cooperatin hinge members on the other part that are a aptedto rest freely in said socket hinge members, and a match-plate arran edbetween the co e and drag and provi ed with hinge mom ers-that areinterposed bel a cope and aid hinge members 0 one 0 said partsconsistihfi of approximately disk-shaped portions and 1 from said web,and a 006 crating member fulcrum pins, hinge members on the other havingap roximately isk-shaped porpart conslsting of webs provided'withsockets tions which ear upon the flan es ofthe memfor said fulcrum pinsand semi-circularber first referred to and a in crum pin that 35 5shaped flanges arranged in alinement with rests in the socket andengages the curved said disk-shaped ortions, a match-plate arbearingsurface on the web of the member ranged between t scope and drag, andhinge first referred to; substantiallyas described.

members on said match-plate consisting of 7. A three-part hingecomprising a memsemi-circular-shaped flanges that are interberplriovided with a vertically disposed web 40 1o posed between thedisk-shaped portions and in w ch a slot is formed and semi-circularthesemi-circular-shaped flanges of the hinge sha ed flanges that projectlaterally from members on the cope and drag; subst'ansai web, said webbeing provided on its i-tially as described. sides with sockets, asecond member pro- 5-. A hinge composed of three members vided withsemi-circular-shaped flanges that 45 each of which is adapted to beconnected to embrace the web and rest upon the flanges 0 an object, oneof sai 'members consisting of the memberwfirst referred to, and a thirda socket and semi-circular-shaped flanges, the member provided withdisk-shaped portions othermember consisting of a semi-circularthat restupon the semi-circular-shaped shaped portion which rests onsaid'flanges, flanges of the second member, said disk- 50 Yandisprovided with a curved bearing surface, shaped portions beingprovided with conicaland the othermember consisting of approxnfl shapedprojections that rest in the sockets in mately round portionsv that restupon said the web of the member first referred to; sub .jcur'ved bearingsurfaces and which are prostantially as described. vided with a fulcrumpin that fits in the In testimony whereof, we hereunto affix 55 socketofithemember first referred to; subour signatures in the presence of twowitstantially as described. nesses, this 15thofApril, 1908.

6. A hinge 'comprisin a member that is W.-VAN CLEAVE.

' GEORGE O. DEWEY provided with a vertica ly dis osed web 1n which asocket is, formed, curve bearing sur- Witnesses:

faces on the-sides of said web and semi-cir- WELLS L. Onuncn,

cular-shaped flanges that project laterally GEORGE BAKEWELL.

